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PostPosted: Tue Dec 10, 2019 9:05 pm 
Dirt Disciple
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Cheshire1980 wrote:
What size is the seatpost, the Aluminium O is an unusual 27.6 diameter. That slightly grey faded seatpost, Kalloy, was always supplied with the O’s, I have 3 just like it on mine.


Well... It has a 31.8 Diameter seat tube. :shock:


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PostPosted: Tue Dec 10, 2019 9:11 pm 
King of the Skip Monkeys
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31.8??

Thats a big Twinkie!!



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PostPosted: Tue Dec 10, 2019 9:13 pm 
King of the Skip Monkeys
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I did notice that the Orange frames have a seat tube that tapers toward the BB whereas your white frame doesnt seem to.


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PostPosted: Tue Dec 10, 2019 9:15 pm 
Retro Guru
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Well that’s confirmed it to me it’s not an Alu o then, I have 8 aluminium o frames between very early 1991 1st batch, to the 4th batch. And they are all 27.6.. Sorry
:(


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PostPosted: Tue Dec 10, 2019 9:17 pm 
Retro Guru
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31.8... that’s a monster seat tube!


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PostPosted: Tue Dec 10, 2019 9:21 pm 
Dirt Disciple
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Cheshire1980 wrote:
31.8... that’s a monster seat tube!

:lol: Hahaha! Yes, all tubings, in general, are bigger than usual for the year. Uff... Headake coming again haha!


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 Post subject: Re:
PostPosted: Tue Dec 10, 2019 9:50 pm 
Dirt Disciple
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Yeahp... It is a Kalloy 31.4


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PostPosted: Thu Dec 12, 2019 11:06 pm 
Dirt Disciple
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Just one thing before I get rid of that paint: Does the SN help to have at least an idea of some possible brands for this bike? Only to reduce the search area a bit :)


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PostPosted: Fri Dec 13, 2019 7:49 am 
King of the Skip Monkeys
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Unfortunately no, as that factory would have made frames for lots of brands, many unheard of in Europe.


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 Post subject: Re:
PostPosted: Sat Dec 14, 2019 9:27 am 
retrobike rider
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Not read the other posts past the serial number.
But my input.
It has the powerstays of the A-Pro made aluminium-o.

It doesn't look to have the replaceable hanger (so it's the 1992 model, first two batches).
It has a stay, which adds to the first two batches.
It doesn't have riveted cable guides, so that makes it the second batch.
That batch is A106 (1991 June).

Yours is A910(1)
Which could possibly be a 1989 Nov model for the 1990 years
Or a different coding and 1991 Jan, it could be as it has 8 numbers and not seven.
(Cheshire1980, did the Feb 1991 batch use this coding and not the newer style?)

Either way, it is earlier than the Aluminium-o.
I'll leave it there.

Caveat - at least last time I looked it's been some years now.


Last edited by FluffyChicken on Sat Dec 14, 2019 9:55 am, edited 1 time in total.

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